Federal Arson and Explosives Law — Destruction of Property, Bombing, and Incendiary Crimes

Federal law makes deliberate fire-setting and the use of explosives among the most severely punished crimes in the U.S. Code. At the heart of this framework is 18 U.S.C. § 844, which covers the transport, use, and threatened use of explosives and incendiary devices — carrying penalties ranging from 5 years for damaging federal property up to the death penalty when someone dies. Section 81 covers arson within federal lands and the special maritime and territorial jurisdiction. Together, these statutes give federal investigators — led by the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) — jurisdiction over bombings, arson attacks on federally funded buildings, and any fire or explosive device used to intimidate, injure, or kill.

Current Law (2026)

Legal Authority

• 18 U.S.C. § 81 — Arson within special maritime and territorial jurisdiction: Covers deliberate fire-setting on any federal property, U.S. vessels, or territories; up to 25 years, life if residence or life endangered
• 18 U.S.C. § 844 — Explosives penalties: Comprehensive statute covering transport, use, threats, and damage with explosives; tiered penalties based on harm, with mandatory minimums for damage to federally funded facilities
• 18 U.S.C. § 1855 — Timber arson: Willfully burning timber, grass, or vegetation on public lands, Indian reservations, or U.S.-controlled land; up to 5 years
• 18 U.S.C. § 1856 — Unattended fires: Starting and abandoning fires on federal land without extinguishing them; up to 6 months

The Scope of Federal Arson and Explosives Jurisdiction

Federal jurisdiction over arson and explosive crimes rests on several hooks. The most direct is property ownership: § 81 applies when the fire is set on property within the "special maritime and territorial jurisdiction" of the United States — federal buildings, military installations, U.S. vessels, national parks, and territories.

The broader hook under § 844 is federal funding: the statute applies to any institution or organization receiving federal financial assistance, which includes virtually all hospitals (Medicare/Medicaid), universities (federal grants and student loans), public housing (HUD), and many private nonprofits. This means an arson attack on your local hospital or state university is a federal crime, not just a state crime — and ATF investigators can immediately take jurisdiction.

A third hook is the use of the mail or interstate commerce to transport or obtain explosives. Moving commercially produced explosives across state lines for criminal use is automatically a federal matter.

Penalties: Tiered by Harm

Section 844's penalty structure escalates sharply based on the harm caused and the target. The basic offense — violating general explosives rules — carries up to 10 years. But the statute creates mandatory minimums for specific aggravated uses:

Transport for destruction: Using the mail or interstate commerce to transport explosives with intent to kill, injure, intimidate, or unlawfully destroy property carries up to 10 years if no one is hurt, up to 20 years if someone is injured.

Federal property: Maliciously damaging or destroying, by fire or explosive, any building or vehicle used or owned by the United States, or any institution receiving federal financial assistance, carries a mandatory minimum of 5 years and up to 20 years. If the attack causes personal injury or creates a "substantial risk of injury to any person," the floor rises to 7 years and the ceiling to 40. If someone dies, the mandatory minimum is 20 years and the maximum is life in prison or the death penalty.

Explosive threats: Sending threats through the mail, telephone, or other interstate communications about using fire or explosives carries up to 10 years — even if no explosive is ever deployed.

Airport explosives: Possessing explosives in an airport area designated by the FAA without written permission carries up to 5 years, with limited exceptions for properly packaged commercial shipments.

Arson Within Federal Jurisdiction

Section 81 establishes a separate, cleaner arson offense for fires within the special maritime and territorial jurisdiction. Any deliberate fire-setting — or attempt or conspiracy to set fire — to any structure or property in that jurisdiction is a federal crime carrying up to 25 years in prison.

The penalties escalate when human life is at stake. If the structure is a dwelling (a place where people live) or if anyone's life is actually endangered by the fire, the penalty rises to imprisonment for any number of years up to life — a potentially greater sentence than the base 25-year cap. This parallels how most state arson laws treat fires in occupied structures: the possibility of killing people inside makes the crime categorically more serious.

Timber and Public Land Fires

Two lesser-known provisions target fires on public lands. Section 1855 punishes anyone who willfully and without authorization sets fire to timber, underbrush, grass, or other flammable material on federal public lands, Indian reservations, land being purchased by the government, or allotted Indian land. See Federal Public Lands Crimes for the broader criminal framework covering timber theft, trespass, and resource crimes on federal land, and Federal Criminal Jurisdiction in Indian Country for the complex jurisdictional rules when these crimes occur on tribal lands. The penalty is up to 5 years.

Section 1856 addresses an even more basic failure: starting a fire in or near federal forest land and leaving it unattended or allowing it to spread. This provision doesn't require deliberate fire-setting with criminal intent — just the reckless failure to control a fire you started. The penalty is up to 6 months, making it a misdemeanor, but it reflects the serious risk that abandoned campfires and debris burns pose to federal lands.

ATF's Investigative Role

The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) is the primary federal agency for arson and explosives investigations. ATF special agents have statutory authority to carry firearms, serve federal warrants, and make arrests without a warrant when a crime is committed in their presence or when they have probable cause. They can also seize and forfeit explosives used in crimes.

See ATF Firearms & Explosives for the broader ATF regulatory framework covering licensing, storage, and record-keeping for explosive materials. ATF works closely with the FBI when a bombing or arson case has a potential terrorism nexus. High-profile cases — pipe bombs at federal courthouses, attacks on abortion clinics or civil rights organizations, violence at political events — typically involve both agencies. ATF maintains a national repository of explosives incidents and provides technical assistance to state and local arson investigators through the National Center for Explosives Training and Research.

How It Affects You

If you own property that was targeted by arson: If your property receives federal funding — a federally backed mortgage (FHA, VA), HUD assistance, or any federal grant — the attack may be prosecuted federally under 18 U.S.C. § 844(f) or § 844(i), in addition to state arson charges. As a federal crime victim, you have rights under the Crime Victims' Rights Act (18 U.S.C. § 3771; see Crime Victims' Rights and Compensation), including the right to mandatory restitution. Contact both local fire investigators and the FBI if you believe your property qualifies for federal jurisdiction.

If you manufacture, deal in, or use explosive materials: The explosives regulations under 18 U.S.C. §§ 841-843 impose strict federal licensing (ATF license or permit), storage magazine requirements, record-keeping obligations, and transfer restrictions on anyone who manufactures, imports, distributes, or purchases explosive materials commercially. One specific obligation: you must report theft or loss of explosives to the ATF within 24 hours of discovery — failure to do so is itself a federal crime carrying up to 5 years imprisonment. Contact ATF's Federal Explosives Licensing Center (1-888-283-3473) for licensing requirements.

If you're camping or recreating on federal lands: Starting any fire on or adjacent to national forest, BLM land, or Indian reservations and failing to extinguish it is a federal crime under 18 U.S.C. § 1855 — even without any intent to destroy property. During fire restrictions, any open fire including camp stoves may be prohibited. Campfire safety is federal law, not just a leave-no-trace principle. Check current fire restrictions at inciweb.nwcg.gov or the specific agency (Forest Service, BLM) managing the land you're visiting before you go.

State Variations

All states have arson and explosives statutes, and most arson prosecutions are state cases. Federal jurisdiction kicks in primarily when federal property is targeted, interstate commerce is involved in transporting explosive materials, or there's a terrorism dimension. State and federal charges can run parallel because they are different sovereigns. Many states have enhanced penalties for arson that endangers human life, paralleling the federal mandatory minimum structure.

Pending Legislation

Following several high-profile attacks on medical facilities and courthouses, legislation to strengthen mandatory minimums for attacks on federally funded institutions has been introduced in recent Congresses. Congress has also examined gaps in regulating commercially available explosive precursors available through retail channels. No major statutory changes had been enacted as of early 2026.

Recent Developments

• Domestic terrorism prosecutions surge — § 844 explosive charges as primary vehicle: Following the January 6, 2021 Capitol attack and subsequent domestic extremism investigations, federal prosecutors increasingly used 18 U.S.C. § 844 explosive and destructive device charges against individuals involved in plot planning, pipe bomb placement (including the RNC/DNC devices found January 5-6, 2021), and Molotov cocktail use during protest violence in 2020. The January 6 pipe bomb case — in which an unidentified suspect placed pipe bombs at RNC and DNC headquarters — remains one of the FBI's most prominent open investigations as of 2026 despite a $500,000 reward offer. § 844 charges carry 5-20 year mandatory minimums that anchor negotiations in multi-defendant conspiracy cases.
• ATF explosives tracing and component identification expanding: ATF's National Center for Explosives Training and Research (NCETR) and its explosives tracing database allow investigators to link bomb components — detonating cord, blasting caps, commercially manufactured explosive materials — across multiple incidents nationwide. ATF expanded its component tracing program following several IED incidents in 2022-2024, improving ability to link perpetrators to materials purchases through commercial distributor records. Federal explosives license and permit holders (manufacturers, importers, dealers) must report sales to ATF under 18 U.S.C. § 842, creating the paper trail that component tracing relies on.
• "Ghost" explosive devices and improvised precursor chemicals: Law enforcement has documented increasing use of improvised explosive precursors (ammonium nitrate-fuel oil mixtures, improvised peroxide-based explosives like TATP) that avoid commercial acquisition channels and are therefore harder to trace. TATP — used in several European terrorist attacks — has appeared in domestic cases; federal charges under § 844 apply regardless of whether the explosive was commercially manufactured or improvised. ATF and DHS have worked with agricultural suppliers, hardware stores, and chemical distributors to monitor precursor purchases, but the information sharing program has gaps, particularly for purchases below threshold quantities.
• Arson related to wildfire and insurance fraud — federal-state prosecution overlap: Federal arson statutes (18 U.S.C. §§ 81, 844) reach arson affecting federal lands, federally insured properties, and interstate commerce, creating federal-state prosecution overlap in the western wildfire context. Several wildfire arson cases in 2022-2024 — including power line fires and targeted arson of structures — have been prosecuted under both state arson statutes and federal § 844 where interstate commerce or federal property nexus exists. Insurance fraud connected to arson is prosecuted separately under federal wire fraud and insurance fraud statutes, often coordinated with the federal arson charges in plea agreements.